Isman, Fajar, and Asri Widiatsih. “Efforts to Improve Students Learning Outcomes By Using Google Classroom Covid 19 The Subject Teorema Phytagoras”. Jurnal Axioma : Jurnal Matematika dan Pembelajaran 6, no. 2 (March 22, 2022): 104–112. Accessed April 20, 2024. https://ejurnal.uij.ac.id/index.php/AXI/article/view/1010.